3873791

Information

• Patent Grant
• 3873791

• References
• Source

• Patent Number

  3,873,791

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  49 years ago

• CPC

  • H01H71/14 - Electrothermal mechanisms
  • H01H3/50 - with indexing or locating means
  • H01H3/60 - Mechanical arrangements for preventing or damping vibration or shock
  • H01H9/38 - Auxiliary contacts on to which the arc is transferred from the main contacts
  • H01H9/44 - using blow-out magnet
  • H01H11/06 - Fixing of contacts to carrier; Fixing of contacts to insulating carrier
  • H01H87/00 - Protective devices in which a current flowing through a liquid or solid is interrupted by the evaporation of the liquid or by the melting and evaporation of the solid when the current becomes excessive, the circuit continuity being reestablished on cooling

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 337 - Electricity: electrothermally or thermally actuated switches